JPS60164295U

JPS60164295U - Storage type repeater for fire alarm system

Info

Publication number: JPS60164295U
Application number: JP5015184U
Authority: JP
Inventors: 茂松本; 正樹野林
Original assignee: 松下電工株式会社
Priority date: 1984-04-05
Filing date: 1984-04-05
Publication date: 1985-10-31
Also published as: JPH035989Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の中継器本体の具体回路図、第
セ図は同上の動作説明用のタイムチャート、第３図は同
上の増設用端子台の回路図、第４図は従来例のブロック
図である。１ａは煙感知器、１ｂは熱感知器、２は回線電圧検知回
路部、３は発信機、４はスオツチング回　、踏部、５は
高感度リレニ、ｒｏはリレー接点、７は第１のタイマ回
路部、８は第２のタイマ回路部、９は増設端子、１０は
増設用端子台、１□は感知器接続線、ＩＣは共通線、Ｘ
は中継器本体を示す。 −１°１１．３且Ｆ・七ザＤｏ　Ｄ１２　Ｄｔ３ＤＩＫ・！ ■Fig. 1 is a specific circuit diagram of the repeater main body according to the embodiment of the present invention, Fig. FIG. 2 is an example block diagram. 1a is a smoke detector, 1b is a heat sensor, 2 is a line voltage detection circuit, 3 is a transmitter, 4 is a switching circuit, a foot, 5 is a high-sensitivity relay, ro is a relay contact, 7 is a first timer Circuit section, 8 is the second timer circuit section, 9 is an expansion terminal, 10 is an expansion terminal block, 1□ is a sensor connection line, IC is a common line, X
indicates the repeater body. -1°11.3 and F. Seven Do D12 Dt3DIK・! ■

Claims

[Scope of utility model registration request]

A DC voltage is applied between the sensor connection line and the common line through the reception relay in the receiver, and a transmitter, heat sensor, or smoke detector is connected in parallel between the sensor connection line and the common line. In an odor alarm system, the voltage applied between the sensor connection line and the common line is a line voltage detection circuit section that generates an output when the voltage drops to a predetermined level;
a switching circuit unit that uses the detection output of the line voltage detection circuit unit to drive a switching unit that has a shorter operation time than the reception relay and that opens a starting end portion of either the sensor connection line or the common line by a switching operation;
a first timer circuit section that starts a time-limited operation from the start of operation of the switching circuit section and sets the switching circuit section in an on-operable state until time-up; A repeater main body is constituted by a second timer circuit section that sets the switching circuit section to an OFF state until a preset time has elapsed after starting a time-limited operation, and a plurality of timer circuit sections provided in the line voltage detection circuit section are configured. Connect an expansion terminal block consisting of a diode OR in parallel to the expansion terminal connected to the sensor connection line! A storage type repeater for a fire alarm system, which is characterized by being connected to the following.